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Finding the Fourth Proportional to 445,249.66, 667,708.41 and 178,920.04

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Solution

The fourth proportional to 445,249.66, 667,708.41 and 178,920.04 is: 268,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,249.66 : 667,708.41 = 178,920.04 : x
  2. Step 2: Convert to fraction form
    445,249.66/667,708.41 = 178,920.04/x
  3. Step 3: Cross multiply
    445,249.66x = 667,708.41 × 178,920.04
  4. Step 4: Simplify right side
    445,249.66x = 119,466,415,425.54
  5. Step 5: Solve for x
    x = 119,466,415,425.54/445,249.66
  6. Step 6: Final answer
    x = 268,313.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.